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BOSTON MARATHON 2023

May Robison

Bib: 11228•F

DC

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:27
Rank: #7675
Start → 5K
22:27 | 7:14/mi
10K· 6.21 mi
45:02
Rank: #8102 (-427)
5K → 10K
22:35 | 7:16/mi
15K· 9.32 mi
1:08:05
Rank: #8496 (-394)
10K → 15K
23:03 | 7:25/mi
20K· 12.43 mi
1:33:18
Rank: #9896 (-1400)
15K → 20K
25:13 | 8:07/mi
Half· 13.11 mi
1:38:25
Rank: #9917 (-21)
20K → Half
5:07 | 7:30/mi
25K· 15.53 mi
1:59:39
Rank: #11325 (-1408)
Half → 25K
21:14 | 8:45/mi
30K· 18.64 mi
2:27:18
Rank: #12484 (-1159)
25K → 30K
27:39 | 8:54/mi
20M
2:39:52
Rank: #13001 (-517)
30K → 20M
12:34 | 9:15/mi
21M
2:50:43
Rank: #13688 (-687)
20M → 21M
10:51 | 10:51/mi
35K· 21.75 mi
2:57:28
Rank: #13883 (-195)
21M → 35K
6:45 | 9:01/mi
23M
3:08:34
Rank: #13956 (-73)
35K → 23M
11:06 | 8:52/mi
24M
3:17:00
Rank: #13941 (+15)
23M → 24M
8:26 | 8:26/mi
40K· 24.85 mi
3:25:24
Rank: #14236 (-295)
24M → 40K
8:24 | 9:49/mi
25.2M
3:28:27
Rank: #14186 (+50)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:36:50
Rank: #14141 (+45)
25.2M → Finish
8:23 | 8:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:38:25
Pace7:30 /mi
2nd Half
Distance13.11 mi
Time1:58:25
Pace9:02 /mi
📊Positive Split: 20.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:0822:277:1422:27
7:14
-
10K
6.21 mi11:11:4345:027:1522:35
7:16
+0:02
15K
9.32 mi11:34:461:08:057:1823:03
7:25
+0:09
20K
12.43 mi11:59:591:33:187:3025:13
8:07
+0:42
Half
13.11 mi12:05:061:38:257:305:07
7:30
-0:37
25K
15.53 mi12:26:201:59:397:4221:14
8:45
+1:15
30K
18.64 mi12:53:592:27:187:5427:39
8:54
+0:09
20M
20.00 mi13:06:332:39:528:0012:34
9:15
+0:21
21M
21.00 mi13:17:242:50:438:0810:51
10:51
+1:36
35K
21.75 mi13:24:092:57:288:106:45
9:01
-1:50
23M
23.00 mi13:35:153:08:348:1211:06
8:52
-0:09
24M
24.00 mi13:43:413:17:008:138:26
8:26
-0:26
40K
24.85 mi13:52:053:25:248:168:24
9:49
+1:23
25.2M
25.20 mi13:55:083:28:278:163:03
8:51
-0:58
Finish
26.22 mi14:03:313:36:508:178:23
8:14
-0:37

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:14 /mi

Average Pace

8:17 /mi

Slowest Pace

10:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:48

49% of race

Time at Steady Pace

1:18:13

36% of race

Time at Slower Pace

31:49

15% of race

Average Pace: 8:16 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:49:0822:277:1422:27
7:14
#7675
10K
6.21 mi11:11:4345:027:1522:35
7:16
#8102
15K
9.32 mi11:34:461:08:057:1823:03
7:25
#8496
20K
12.43 mi11:59:591:33:187:3025:13
8:07
#9896
Half
13.11 mi12:05:061:38:257:305:07
7:30
#9917
25K
15.53 mi12:26:201:59:397:4221:14
8:45
#11325
30K
18.64 mi12:53:592:27:187:5427:39
8:54
#12484
20M
20.00 mi13:06:332:39:528:0012:34
9:15
#13001
21M
21.00 mi13:17:242:50:438:0810:51
10:51
#13688
35K
21.75 mi13:24:092:57:288:106:45
9:01
#13883
23M
23.00 mi13:35:153:08:348:1211:06
8:52
#13956
24M
24.00 mi13:43:413:17:008:138:26
8:26
#13941
40K
24.85 mi13:52:053:25:248:168:24
9:49
#14236
25.2M
25.20 mi13:55:083:28:278:163:03
8:51
#14186
Finish
26.22 mi14:03:313:36:508:178:23
8:14
#14141
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi76759069069532(Top 36%)1638(Top 14%)1638(Top 34%)
10K6.21 mi3.10 mi8102-4271073-1671073-1678654(Top 33%)1287(Top 11%)1287(Top 26%)
15K9.32 mi3.11 mi8496-3941221-1481221-1489532(Top 36%)1638(Top 14%)1638(Top 34%)
20K12.43 mi3.11 mi9896-14001795-5741795-57414341(Top 54%)4312(Top 38%)4312(Top 88%)
Half13.11 mi0.68 mi9917-211803-81803-810338(Top 39%)2071(Top 18%)2071(Top 42%)
25K15.53 mi2.42 mi11325-14082549-7462549-74617705(Top 67%)6402(Top 56%)6402(Top 131%)
30K18.64 mi3.11 mi12484-11593248-6993248-69916652(Top 63%)5861(Top 51%)5861(Top 120%)
20M20.00 mi1.36 mi13001-5173568-3203568-32017789(Top 67%)6623(Top 58%)6623(Top 136%)
21M21.00 mi1.00 mi13688-6873982-4143982-41420501(Top 77%)8189(Top 72%)8189(Top 168%)
35K21.75 mi0.75 mi13883-1954125-1434125-14317998(Top 68%)6829(Top 60%)6829(Top 140%)
23M23.00 mi1.25 mi13956-734202-774202-7715364(Top 58%)5373(Top 47%)5373(Top 110%)
24M24.00 mi1.00 mi13941+154220-184220-1814099(Top 53%)4726(Top 41%)4726(Top 97%)
40K24.85 mi0.85 mi14236-2954415-1954415-19519463(Top 73%)7744(Top 68%)7744(Top 159%)
25.2M25.20 mi0.35 mi14186+504398+174398+1711685(Top 44%)3581(Top 31%)3581(Top 73%)
Finish26.22 mi1.02 mi14141+454384+144384+1413638(Top 51%)4544(Top 40%)4544(Top 93%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9532

Females

1638

F18-39

1638

5K→10K

3.1 - 6.2 mi

Top 33%
×5stories
+79ft-138ft

Overall

8654

Females

1287

F18-39

1287

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9532

Females

1638

F18-39

1638

15K→20K

9.3 - 12.4 mi

Top 54%
×5stories
+106ft-86ft

Overall

14341

Females

4312

F18-39

4312

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10338

Females

2071

F18-39

2071

Half→25K

13.1 - 15.5 mi

Top 67%
×4stories
+66ft-88ft

Overall

17705

Females

6402

F18-39

6402

25K→30K

15.5 - 18.6 mi

Top 63%
×9stories
+181ft-148ft

Overall

16652

Females

5861

F18-39

5861

30K→20M

18.6 - 20.0 mi

Top 67%
×5stories
+64ft-50ft

Overall

17789

Females

6623

F18-39

6623

20M→21M

20.0 - 21.0 mi

Top 77%
×8stories
+106ft-24ft

Overall

20501

Females

8189

F18-39

8189

21M→35K

21.0 - 21.8 mi

Top 68%
×7stories
+17ft-86ft

Overall

17998

Females

6829

F18-39

6829

35K→23M

21.8 - 23.0 mi

Top 58%
×5stories
+23ft-63ft

Overall

15364

Females

5373

F18-39

5373

23M→24M

23.0 - 24.0 mi

Top 53%
×6stories
+12ft-82ft

Overall

14099

Females

4726

F18-39

4726

24M→40K

24.0 - 24.9 mi

Top 73%
×1story
+6ft-20ft

Overall

19463

Females

7744

F18-39

7744

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11685

Females

3581

F18-39

3581

25.2M→Finish

25.2 - 26.2 mi

Top 51%
×2stories
+22ft-21ft

Overall

13638

Females

4544

F18-39

4544

Passing Analysis

Category:
Athletes Passed
533
Passed By
6997
Net Change
-6466
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7675
5K → 10K80507-427#7675#8102
10K → 15K44438-394#8102#8496
15K → 20K91409-1400#8496#9896
20K → Half2344-21#9896#9917
Half → 25K91415-1408#9917#11325
25K → 30K291188-1159#11325#12484
30K → 20M20537-517#12484#13001
20M → 21M7694-687#13001#13688
21M → 35K16211-195#13688#13883
35K → 23M62135-73#13883#13956
23M → 24M7156+15#13956#13941
24M → 40K22317-295#13941#14236
40K → 25.2M544+50#14236#14186
25.2M → Finish8742+45#14186#14141
TOTALS5336997-6466
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing